/* styles.css */
/* Ensure the body and html take full height */
html, body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
}

/* Make the main content expand to push the footer down */
main {
    flex: 1;
}
header {
    background: #333;
    color: white;
    padding: 15px;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

.hero {
    text-align: center;
    padding: 50px;
    background: #0073e6;
    color: white;
}

.cta-button {
    background: white;
    color: #0073e6;
    padding: 10px 20px;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
    border-radius: 5px;
}

.topics {
    text-align: center;
    padding: 30px;
}

.topic-card {
    background: white;
    padding: 15px;
    margin: 10px;
    display: inline-block;
    border-radius: 5px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}

/* Fix the footer at the bottom */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 10px;
    width: 100%;
}